[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Mathew Hodson]

** No longer affects: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)

** Also affects: gnome-shell (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Also affects: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)
   Importance: Undecided
   Status: New

** Changed in: gnome-shell (Ubuntu Bionic)
   Status: New => Fix Released

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)
   Status: New => Fix Released

** Changed in: gnome-shell (Ubuntu Bionic)
   Importance: Undecided => Medium

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)
   Importance: Undecided => Medium

** Also affects: gnome-shell (Ubuntu Cosmic)
   Importance: Undecided
   Status: New

** Also affects: gnome-shell-extension-ubuntu-dock (Ubuntu Cosmic)
   Importance: Undecided
   Status: New

** No longer affects: gnome-shell (Ubuntu Cosmic)

** No longer affects: gnome-shell-extension-ubuntu-dock (Ubuntu Cosmic)

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)
Milestone: None => ubuntu-18.04.2

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-shell-extension-ubuntu-dock -
0.9.1ubuntu18.04.3

---
gnome-shell-extension-ubuntu-dock (0.9.1ubuntu18.04.3) bionic; urgency=medium

  [ Daniel van Vugt ]
  * Avoid repainting an unchanging dock (LP: #1743976).

  [ Andrea Azzarone ]
  * theming: Ensure _trackingWindows contains valid windows (LP: #1769383)
  * extension: Ensure signal disconnection (LP: #1769383)

 -- Marco Trevisan (Treviño)   Mon, 21 Jan 2019
11:39:02 +0100

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)
   Status: Fix Committed => Fix Released

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

Confirmed ubuntu-dock 0.9.1ubuntu18.04.3 no longer shows any
(additional) CPU penalty when a window is updating while touching or
under the dock.

** Tags removed: verification-needed verification-needed-bionic
** Tags added: verification-done verification-done-bionic

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Brian Murray]

Hello Daniel, or anyone else affected,

Accepted gnome-shell-extension-ubuntu-dock into bionic-proposed. The
package will build now and be available at
https://launchpad.net/ubuntu/+source/gnome-shell-extension-ubuntu-
dock/0.9.1ubuntu18.04.2 in a few hours, and then in the -proposed
repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-bionic to verification-done-bionic. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-bionic. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu Bionic)
   Status: New => Fix Committed

** Tags added: verification-needed verification-needed-bionic

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Treviño]

** Description changed:

  gnome-shell is wasting CPU repainting an unchanging panel and dock.
  Every time an app window changes all visible actors including the panel
  get repainted. But the panels mostly doesn't change, so should be cached
  via offscreen-redirect instead.
+ 
+ [ Impact ]
+ 
+ Ubuntu dock repaints the dock when a window changes
+ 
+ [ Test case ]
+ 
+ - Maximize a window
+ - Change its content, by acting on it
+ - Monitor gnome-shell CPU usage, and it should be lower than using previous 
dock version
+ 
+ [ Possible regression ]
+ 
+ The dock isn't repainted properly or it could produce artifacts in some
+ scenarios

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

The nominations are confusing here. Only the ubuntu-dock fix needs
backporting. The gnome-shell fix is already in bionic onward.

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

gnome-shell-extension-ubuntu-dock (64ubuntu1) disco; urgency=medium

  [ Marco Trevisan (Treviño) ]
  * New upstream release: 64
  * dash, docking: remove Shell.GenericContainer.

  [ Adolfo Jayme Barrientos ]
  * Update Spanish translation.

  [ franglais125 ]
  * Settings.ui: Fix GtkEntry property to make the shortcut editable.

  [ Michele ]
  * Add Gnome Shell 3.30 support.
  * Bump version (v64).

  [ vantu5z ]
  * Update Russian translation.

  [ Andrea Azzarone ]
  * docking: Fix leaking signal connection

  [ Michele Gaio ]
  * Update Readme with official extension badge.

  [ Michele ]
  * Add a .default class to the appiconindicators.
  * Make window previews order stable in the dedicated popup (LP: #1809129).
  * Recreate windows preview whenever the popup is open.

  [ Daniel van Vugt ]
  * Avoid repainting an unchanging dock.

 -- Marco Trevisan (Treviño)   Wed, 19 Dec 2018
10:06:26 -0500


** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu)
   Status: Confirmed => In Progress

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

New upstream fix proposed for the Ubuntu dock:
https://github.com/micheleg/dash-to-dock/pull/859

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Incomplete => Fix Released

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

** No longer affects: mutter (Ubuntu)

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

gnome-shell (3.28.1-0ubuntu2) bionic; urgency=medium

  [ Marco Trevisan (Treviño) ]
  * js-ui-Choose-some-actors-to-cache-on-the-GPU.patch:
- Improve rendering of shell elements moving rendering to GPU
  (LP: #1744001)

  [ Jeremy Bicha ]
  * Cherry-pick polkitAgent-Guard-against-repeated-close-calls.patch:
- Fix PolicyKit authorization prompt after cancelling once (LP: #1765353)

 -- Marco Trevisan (Treviño)   Mon, 23 Apr 2018
15:29:28 -0500

** Changed in: gnome-shell (Ubuntu)
   Status: Fix Committed => Fix Released

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

** Branch linked: lp:~3v1n0/gnome-shell/bionic-patches-add-gpu-cached-
texture

** Changed in: gnome-shell (Ubuntu)
   Status: Confirmed => Fix Committed

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

This bug is on hold. The conditions required to trigger it are less
common, and the benefit of fixing it less significant, than other
performance bugs (also in progress right now).

** Changed in: gnome-shell (Ubuntu)
   Status: In Progress => Confirmed

** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu)
   Status: In Progress => Confirmed

** Changed in: mutter (Ubuntu)
   Status: In Progress => Confirmed

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Title:
  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

** Also affects: mutter (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: mutter (Ubuntu)
   Status: New => In Progress

** Changed in: mutter (Ubuntu)
   Importance: Undecided => Medium

** Changed in: mutter (Ubuntu)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Confirmed => Incomplete

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Daniel van Vugt]

See also upstream: https://github.com/micheleg/dash-to-dock/pull/675

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  gnome-shell is wasting CPU repainting unchanging panels

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[Bug 1743976] Re: gnome-shell is wasting CPU repainting unchanging panels

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Unknown => Confirmed

** Changed in: gnome-shell
   Importance: Unknown => Medium

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  gnome-shell is wasting CPU repainting unchanging panels

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